MALWARE FAMILY

CustomerLoader

Internal ID: win.customerloader

aliases

Last seen:Mar 17, 2026

Intelligence Profile

CustomerLoader is a .Net-based loader that drops more than 40 different malware families. It appeared in June 2023 and is being distributed via phishing, YouTube videos and malicious websites.

Threat Analysis

CustomerLoader is a malware family tracked by threat intelligence researchers and catalogued in the Malpedia dataset. It represents a distinct malicious software lineage with identifiable code characteristics, behaviors, and victimology.

External References

→https://blog.sekoia.io/customerloader-a-new-malware-distributing-a-wide-variety-of-payloads/#h-c2-servers

→https://inside.harfanglab.io/blog/articles/cyber-threat-intelligence/loader-galore-taskloader-at-the-start-of-a-pay-per-install-infection-chain/

Quick Facts

TypeMalware Family

Aliases1

Also Known As

win.customerloader

Research Links

MITRE ATT&CK VirusTotal Google (news) Twitter/X search

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.

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